**Commenced**in January 2007

**Frequency:**Monthly

**Edition:**International

**Paper Count:**7515

# Search results for: unconstrained optimization problems

##### 7515 Co-Evolutionary Fruit Fly Optimization Algorithm and Firefly Algorithm for Solving Unconstrained Optimization Problems

**Authors:**
R. M. Rizk-Allah

**Abstract:**

**Keywords:**
firefly algorithm,
fruit fly optimization algorithm,
unconstrained optimization problems

##### 7514 A Conjugate Gradient Method for Large Scale Unconstrained Optimization

**Authors:**
Mohammed Belloufi,
Rachid Benzine,
Badreddine Sellami

**Abstract:**

**Keywords:**
unconstrained optimization,
conjugate gradient method,
strong Wolfe line search,
global convergence

##### 7513 A New Class of Conjugate Gradient Methods Based on a Modified Search Direction for Unconstrained Optimization

**Authors:**
Belloufi Mohammed,
Sellami Badreddine

**Abstract:**

**Keywords:**
unconstrained optimization,
conjugate gradient method,
sufficient descent property,
numerical comparisons

##### 7512 A New Conjugate Gradient Method with Guaranteed Descent

**Authors:**
B. Sellami,
M. Belloufi

**Abstract:**

**Keywords:**
unconstrained optimization,
conjugate gradient method,
line search,
global convergence

##### 7511 A New Family of Globally Convergent Conjugate Gradient Methods

**Authors:**
B. Sellami,
Y. Laskri,
M. Belloufi

**Abstract:**

**Keywords:**
conjugate gradient method,
global convergence,
line search,
unconstrained optimization

##### 7510 A Modified Nonlinear Conjugate Gradient Algorithm for Large Scale Unconstrained Optimization Problems

**Authors:**
Tsegay Giday Woldu,
Haibin Zhang,
Xin Zhang,
Yemane Hailu Fissuh

**Abstract:**

**Keywords:**
conjugate gradient method,
global convergence,
large scale optimization,
sufficient descent property

##### 7509 Descent Algorithms for Optimization Algorithms Using q-Derivative

**Authors:**
Geetanjali Panda,
Suvrakanti Chakraborty

**Abstract:**

**Keywords:**
Descent algorithm,
line search method,
q calculus,
Quasi Newton method

##### 7508 Second Order Optimality Conditions in Nonsmooth Analysis on Riemannian Manifolds

**Authors:**
Seyedehsomayeh Hosseini

**Abstract:**

**Keywords:**
Riemannian manifolds,
nonsmooth optimization,
lower semicontinuous functions,
subdifferential

##### 7507 On the convergence of the Mixed Integer Randomized Pattern Search Algorithm

**Authors:**
Ebert Brea

**Abstract:**

**Keywords:**
direct search,
mixed integer optimization,
random search,
convergence,
Markov chain

##### 7506 Cuckoo Search (CS) Optimization Algorithm for Solving Constrained Optimization

**Authors:**
Sait Ali Uymaz,
Gülay Tezel

**Abstract:**

**Keywords:**
cuckoo search,
particle swarm optimization,
constrained optimization problems,
penalty method

##### 7505 Development of Scratching Monitoring System Based on Mathematical Model of Unconstrained Bed Sensing Method

**Authors:**
Takuya Sumi,
Syoko Nukaya,
Takashi Kaburagi,
Hiroshi Tanaka,
Kajiro Watanabe,
Yosuke Kurihara

**Abstract:**

**Keywords:**
unconstrained bed sensing method,
scratching,
body movement,
itchy,
piezoceramics

##### 7504 Model of Optimal Centroids Approach for Multivariate Data Classification

**Authors:**
Pham Van Nha,
Le Cam Binh

**Abstract:**

**Keywords:**
analysis of optimization,
artificial intelligence based optimization,
optimization for learning and data analysis,
global optimization

##### 7503 Improved Particle Swarm Optimization with Cellular Automata and Fuzzy Cellular Automata

**Authors:**
Ramin Javadzadeh

**Abstract:**

**Keywords:**
cellular automata,
cellular learning automata,
local search,
optimization,
particle swarm optimization

##### 7502 Engineering Optimization Using Two-Stage Differential Evolution

**Authors:**
K. Y. Tseng,
C. Y. Wu

**Abstract:**

**Keywords:**
differential evolution,
Truss structure optimization,
optimal chiller loading,
modified binary differential evolution

##### 7501 A New Tool for Global Optimization Problems: Cuttlefish Algorithm

**Authors:**
Adel Sabry Eesa,
Adnan Mohsin Abdulazeez Brifcani,
Zeynep Orman

**Abstract:**

**Keywords:**
Cuttlefish Algorithm,
bio-inspired algorithms,
optimization,
global optimization problems

##### 7500 Sequential Covering Algorithm for Nondifferentiable Global Optimization Problem and Applications

**Authors:**
Mohamed Rahal,
Djaouida Guetta

**Abstract:**

**Keywords:**
global optimization,
Hölder functions,
sequential covering method,
systems of nonlinear equations

##### 7499 Multi-Criteria Based Robust Markowitz Model under Box Uncertainty

**Authors:**
Pulak Swain,
A. K. Ojha

**Abstract:**

**Keywords:**
portfolio optimization,
multi-objective optimization,
ϵ - constraint method,
box uncertainty,
robust optimization

##### 7498 An Enhanced Particle Swarm Optimization Algorithm for Multiobjective Problems

**Authors:**
Houda Abadlia,
Nadia Smairi,
Khaled Ghedira

**Abstract:**

**Keywords:**
particle swarm optimization,
migration,
variable neighborhood search,
multiobjective optimization

##### 7497 Global Convergence of a Modified Three-Term Conjugate Gradient Algorithms

**Authors:**
Belloufi Mohammed,
Sellami Badreddine

**Abstract:**

**Keywords:**
unconstrained optimization,
three-term conjugate gradient,
sufficient descent property,
line search

##### 7496 A New Modification of Nonlinear Conjugate Gradient Coefficients with Global Convergence Properties

**Authors:**
Ahmad Alhawarat,
Mustafa Mamat,
Mohd Rivaie,
Ismail Mohd

**Abstract:**

**Keywords:**
conjugate gradient method,
conjugate gradient coefficient,
global convergence

##### 7495 Solutions to Probabilistic Constrained Optimal Control Problems Using Concentration Inequalities

**Authors:**
Tomoaki Hashimoto

**Abstract:**

**Keywords:**
optimal control,
stochastic systems,
discrete-time systems,
probabilistic constraints

##### 7494 An Optimization Algorithm Based on Dynamic Schema with Dissimilarities and Similarities of Chromosomes

**Authors:**
Radhwan Yousif Sedik Al-Jawadi

**Abstract:**

**Keywords:**
chromosome injection,
dynamic schema,
genetic algorithm,
similarity and dissimilarity

##### 7493 Chemical Reaction Algorithm for Expectation Maximization Clustering

**Authors:**
Li Ni,
Pen ManMan,
Li KenLi

**Abstract:**

**Keywords:**
chemical reaction optimization,
expection maimization,
initia,
objective function clustering

##### 7492 Discretization of Cuckoo Optimization Algorithm for Solving Quadratic Assignment Problems

**Authors:**
Elham Kazemi

**Abstract:**

**Keywords:**
Quadratic Assignment Problem (QAP),
Discrete Cuckoo Optimization Algorithm (DCOA),
meta-heuristic algorithms,
optimization algorithms

##### 7491 Optimality Conditions for Weak Efficient Solutions Generated by a Set Q in Vector Spaces

**Authors:**
Elham Kiyani,
S. Mansour Vaezpour,
Javad Tavakoli

**Abstract:**

**Keywords:**
weak efficient,
algebraic interior,
vector closure,
linear space

##### 7490 Multiobjective Economic Dispatch Using Optimal Weighting Method

**Authors:**
Mandeep Kaur,
Fatehgarh Sahib

**Abstract:**

**Keywords:**
economic load dispatch,
genetic algorithm,
generating units,
multiobjective optimization,
weighting method

##### 7489 Ill-Posed Inverse Problems in Molecular Imaging

**Authors:**
Ranadhir Roy

**Abstract:**

**Keywords:**
constrained minimization,
ill-conditioned inverse problems,
Tikhonov regularization method,
penalty modified barrier function method

##### 7488 Finite Element and Split Bregman Methods for Solving a Family of Optimal Control Problem with Partial Differential Equation Constraint

**Authors:**
Mahmoud Lot

**Abstract:**

**Keywords:**
Split Bregman Method,
optimal control with elliptic partial differential equation constraint,
finite element method

##### 7487 Uncertain Time-Cost Trade off Problems of Construction Projects Using Fuzzy Set Theory

**Authors:**
V. S. S. Kumar,
B. Vikram

**Abstract:**

**Keywords:**
fuzzy sets,
uncertainty,
optimization,
time cost trade off problems

##### 7486 An Enhanced Harmony Search (ENHS) Algorithm for Solving Optimization Problems

**Authors:**
Talha A. Taj,
Talha A. Khan,
M. Imran Khalid

**Abstract:**

**Keywords:**
optimization,
harmony search algorithm,
MATLAB,
electronic